WebMar 16, 2024 · 331 Ford Head Test-Stock vs Edelbrock Performer RPM. We always welcome big power gains, but it is even better when the extra power at the top of the rev range comes with no loss in low-speed … WebMay 10, 2009 · The combustion chamber is much larger on the 289 and 302 2V heads compared to the 302 4V heads. The difference would account for about a 1.5 difference in compression ratio. or from 10-1 with the 4V heads down to about 8.6-1 …
Build a Better Boss (302 Ford, That Is) - OnAllCylinders
WebFind many great new & used options and get the best deals for sbf FORD loaded Cylinder Heads SBF 302 190cc 62cc 2.02 /1.6 2 HEADS at the best online prices at eBay! Free shipping for many products! ... Small Block Ford Electric Water Pump 289 302 351W SBF High Volume Flow Chrome. Sponsored. $109.99. Free shipping. Gates 43044p SBF 289 … WebFeb 13, 2024 · The 289/302-2V head for 1968-up sports a larger 64cc+ chamber, which will cost you compression. (Image/Jim Smart) ... Ford went to a larger 302 chamber. After 1975, Ford used the same 302 head on both the 302 and 351W. Ford also went to a smaller 14mm spark plug. (Image/Jim Smart) The 351W cylinder head had larger ports than the … cva taller
289 heads on 302 - Ford Truck Enthusiasts Forums
WebMar 3, 2003 · My 66 289 block has '71 302 heads on it with a big cam. '71 302 heads aren't bad and have about 8.5:1 compression and I believe the valves are a little bigger then the 289's. I also just advance the initial timing a bit more to compensate for the lower … WebJul 24, 2024 · The 302 small-block and its predecessor, the 289, differed little except for the stroke, measuring at three inches. This long-lasting engine, due to its high nickel content within the engine block, not only … WebNov 4, 2005 · If they are 289 heads the valves will be 1.67" and 1.45". if 302 the intake valve is 1.78". If it's a 4V 302 head the combustion chambers will be 53.5cc as opposed to 63cc of the early 302 heads and last year of the 289 heads. The 302 will have a "302" staring at you when you lift off the rocker cover. raeann johnson